docs: add Docker support documentation

docs/codebase-summary.md

@@ -14,6 +14,11 @@ ccs/
 ├── ui/                       # React dashboard application
 │   ├── src/                  # UI source code
 │   └── dist/                 # Built UI bundle
+├── docker/                   # Docker deployment configuration
+│   ├── Dockerfile            # Multi-stage build (bun 1.2.21, node:20-bookworm-slim)
+│   ├── docker-compose.yml    # Compose setup with resource limits, healthcheck
+│   ├── entrypoint.sh         # Entrypoint with privilege dropping, usage help
+│   └── README.md             # Docker deployment guide
 ├── tests/                    # Test suites
 ├── docs/                     # Documentation
 └── assets/                   # Static assets (logos, screenshots)

docs/project-overview-pdr.md

@@ -106,6 +106,15 @@ CCS provides:
 - Pre-flight quota checks before session start
 - Dashboard UI with pause/resume toggles and tier badges
 
+### FR-010: Docker Deployment
+- Multi-stage Dockerfile with bun 1.2.21 and node:20-bookworm-slim
+- Docker Compose setup with resource limits and healthcheck
+- Persistent volumes for config, credentials, and CLI tools
+- Pre-installed CLIs: claude, gemini, grok, opencode, ccs
+- Ports: 3000 (Dashboard), 8317 (CLIProxy)
+- Entrypoint with privilege dropping and usage help
+- Environment variable configuration support
+
 ---
 
 ## Non-Functional Requirements
@@ -231,6 +240,14 @@ CCS provides:
 - [x] Dashboard pause/resume toggles and tier badges
 - [x] Pre-flight quota checks before session start
 
+### v7.23 Release (Complete)
+- [x] Docker deployment support (PR #345)
+- [x] Multi-stage Dockerfile with bun 1.2.21
+- [x] Docker Compose with resource limits and healthcheck
+- [x] Persistent volumes for config and credentials
+- [x] Pre-installed AI CLI tools (claude, gemini, grok, opencode)
+- [x] Entrypoint with privilege dropping
+
 ### v8.0 Release (Planned - Q1 2026)
 - [ ] Multiple CLIProxyAPI instances (load balancing, failover)
 - [ ] Native git worktree support

docs/project-roadmap.md

@@ -24,6 +24,7 @@ All major modularization work is complete. The codebase evolved from monolithic
 | 10 | Remote CLIProxy | `proxy-config-resolver.ts`, `remote-proxy-client.ts` |
 | 11 | Kiro + ghcp Providers | OAuth support via CLIProxyAPIPlus (v7.2) |
 | 12 | Hybrid Quota Management | `quota-manager.ts`, `quota-fetcher.ts` (v7.14) |
+| 13 | Docker Support | `docker/` directory with Dockerfile, Compose, entrypoint |
 
 **Metrics Achieved**:
 - Files >500 lines: 12 -> 5 (-58%)
@@ -166,6 +167,7 @@ worktrees:
 | Remote CLIProxy Support (#142) | COMPLETE | v7.1 |
 | Kiro + GitHub Copilot OAuth (#157) | COMPLETE | v7.2 |
 | Hybrid Quota Management | COMPLETE | v7.14 |
+| Docker Support (PR #345) | COMPLETE | v7.23 |
 | Critical Bug Fixes (#158, #155, #124) | PLANNED | Q1 2026 |
 | Multiple CLIProxyAPI Instances | PLANNED | Q1 2026 |
 | Git Worktree Support | PLANNED | Q2 2026 |